In mild cases and on absorbent tiles:Dilute 1:10 parts warm water. Apply with light pressure sprayer or scrubbing brush. Agitate the surface using a deck brush or scrubbing brush. Rinse by hosing off thoroughly with clean water.
In more severe cases: Dilute 1:3 parts warm water. Apply liberally using a light pressure sprayer or spreading over surface with a deck brush. Leave for 5-10 minutes and then agitate the surface using a deck brush or scrubbing brush.
Rinse by hosing off thoroughly with clean water.
In extremely severe cases: Apply undiluted, add a littlewater, and agitate with scrubbing brush or deck brush. Leave for 10-15 minutes and then agitate the surface using a scrubbing brush or deck brush. Rinse by hosing off
thoroughly with clean water.
In all cases on larger areas mechanical scrubbers can also be used. Do not use when surface temperatures are under 5°C or over 25°C.